Marine motor



s'pt. 22, 1931. H. L. JOHNSON MARINE MOTOR Filed Oct. 12, 1927 4Sheets-Sheet l INVENTOR. fldf/y Z. JOY/23072 A TTORNE Y.

Sept. 22, 1931. H. JOHNSON MARINE MOTOR Filed Oct.

4 Sheets-Sheet 3 IN VEN TOR.

A TTORNE Y.

Sept. 22, 1931. H. L. JOHNSON 1,824,213

MARINE MOTOR Filed Oct. 12, 1927 4 Sheets-Sheet 4 INVENTOR.

fiafry Z. k/Mmson,

Patented Sept. 22, 1931 UNITED STATES PATENT OFFICE HARRY L. JOHNSON, OISOUTH BEND, INDIANA, ASSIGNOR- TO- JOHNSON BROTHERS ENGINEERINGCORPORATION, OF SOUTH BEND, INDIANA MARINE moron Application filedOctober 12, 1927.

- the motor will be automatically disconnected from the motor and willpivotally move,

thereby preventing damage to the motor parts.

A further object of my invention is to provide means automaticallyoperable by the pivotal movement of the lower'portion of thepropellerand its shaft for controlling the motor which drives the propellerwhereby to prevent racin of the motor.

A further 0 ject is to provide means where.-

by upon starting of the pivotal movement of the lower portion of themotor the ignition system to the drive motor will be broken or renderedinoperative, thereby stopping the motor during the disconnectingoperation.

Also to provide means whereby when the pivotal portion of the motoragain moves to operative position, the ignition system will be renderedoperative.

A further object is to pivotally mount the lower portion'of thepropeller drive shaft casing and to provide means whereby said casingcan be pivotally moved for directional steering of the craft. Also toprovide the pivoted portion of the casing with a gear segment with whicha worm gear meshes, and which worm gear is rotated throu h any suitablemechanism of any part of t e boat for steering purposes.

A further object is to provide the pivoted portion of the casing with ashaft rotatably mounted in a hearing structure,-a worm on said shaft,said worm having a clutch element cooperating with a spring pressedclutch element mounted on the shaft, and a rotatable worm'c'ooperatingwith the worm gear and forming means in connection with operatingmechanism for manually swinging the pivot- I ed portion of the motor toinoperative positions for repair and cleaning purposes. The

Serial No. 225,772.

clutch elements form means whereby upon striking of an obstruction bythe lower portion of the motor, said elements will be declutched butunder ordinary Weight, for instance during manual operation, will remainclutched. V

A further object is to mount the steerin worm on a shaft, which shaftextends throu and into sections of the pivot shaft and 111651- es withthe steering segment, and is disposed between the adjacent ends of thepivot shaft, thereby forming a structure wherein the worm and segmentare protected from foreign matter and particularly from water.

A further object is to provide the lower end of the motor. drive shaftwith a clutch element, which clutch element cooperates with aclutchelement carried by the pivoted ortion of the motor as a whole and havingriving connection with the propeller.

A further object is to provide a marine.

motor particularly adapted for relatively heavy work and comprisingastationary drive motor generall of the outboard motor type and havingits lower ortion pivotally mounted and provided with clutch engagementwith the drive shaft of the stationary motor and forming means wherebywhen the lower portion of the motor hits an 0bstruction it 'will swingrearwardly and upwardly, and declutch from the motor, thereby allowingand obtaining the advantages of the pivoted outboard motor'in arelatively heavy motor, which could not be advantageously manipulatedand pivoted incident to its weight.

A further object is to provide an outboard motor having a pivotedportion and a stationary drive portion normally in clutched relation andmeans whereby upon striking an obstruction the lower portion of themotor will pivotally move for riding over the obstruction and means forreturning said motor portion, which has been pivotally moved, tooperative relation to the stationary portion of the motor.

With the above and other objects in view the invention resides in thecombination and arrangement of parts as hereinafter set forth, shown inthe drawings, described and 100 claimed, it being understood thatchanges in the precise embodiment of the invention may be made withinthe scope of what is claimed without departing from the spirit of theinvention.

In the drawings Figure 1 is a vertical longitudinal sectional viewthrough the stern of a conventional form of boat, showing the motor.applied thereto and in side elevation.

Figure 2 is a vertical longitudinal sectional view through a portion ofthe motor on an enlarged scale.

Figure 3 is a view similar to Figure 2, but

' of the boat, however it is to be understood that it may be applied inan manner desired.

The engine 4 is preferab y of the type set forth in Patent No.1,467,461, and is provided with a supportin base 5,secured withinthestern by means 0 bolts 6, and extending downwardly from said motor 4 isa drive shaft 7 having a pluralit of verticall disposed ribs 8 formingteet adapted-to e received between the teeth 9 of the clutch member 10carried by the propeller drive shaft 11 for imparting rotation to theshaft 11, which shaft is provided with a bevelled gear 12, which mesheswith a bevelled gear 13 carried by the horizontal propeller shaft 14, onwhich is mounted a propel er 15, therefore it will be seen that when theclutch element 10 is in clutched relation with the engine drive shaft 7,rotation will be imparted to the propeller 15. The propeller drive shaft11 is rotat-.

ably mounted within a packed bearing 16 within the tubular casing 17,and which cas-- ing is disposed within the tubular portion 18 of thepivoted casing section 19, which pivoted' section is clamped and rigidlyat tached to the alined shaft sections 26 by means of bolts 21,therefore it will be seen that during the pivotal movement of thepivoted casin 19, which carries the lower structure, the s aft sections20 will'rotate therewith. Disposed within an oil chamber-22 in the upperside o the pivoted casing'li), and secured at 23 on the, tubular casing17, and also secured thereon by means of a nut 24 is a steering gearsegment 25, with which a worm 26 meshes. The worm 26 is carried by ashaft 27 rotatably mounted in bearings 28 of the shaft sections 20, andthe outer end of the shaft 27 is preferably provided with a sprocket 29around which a sprocket chain is adapted to extend, leading to anyconventional steering mechanism, located at any particular point withinthe boat, therefore it will be seen that during a steering operation,the worm 26 will be rotated for moving the steering segment 25 in eitherdirection, consequently rotating the sleeve 17 to which the steeringsegment 25 is\secured, and the lower casing section 17a carried thereby,thereby imparting a directional movement to either side of the prollerfor steering purposes. This lower casmg section 17a is detachablyconnected to the upper casing sleeve 17 by means of bolts easilyaccessible from the outside for removal, substitution, or repair of thelower or ropeller carrying portion, and the propel e'r drive shaft 11 isalso commonly provided with a key and socket releasable connection tofacilitate separation of the casing and drivinglparts at this juncture.The up er end of e casing 17 is provided with. r1 I 30, which engagewithin an annular pack oove 31 in the plate 32, and the upper side ogsaid plate 32 is provided with a pack groove 33, which receives v theannular rib 34 surrounding the engine drive shaft 7 for forming a watertight joint. By providingthe rib 30 and the late 32, it Wlll be seen tat the plate 32 will orm a closure for the u per side of the lubricantchamber 22, there y preventing escape of lubricant, consequent y thesteering segment 25 and the worm 26 will operate in oil at all times. v

The present motor is particularly designed as a heavy duty one for useparticularly where the power desired requires a relatively heavystructure, which could not be easily tilted as is common with pivotedout-board motors. These pivoted motors nerally swing in a vertical lonitudinal p ane, incident to engagement with the bottom of a stream whenthe boat gets in shoal water, or hits an obstruction. To permit thepivotal movement of the propeller portion of a relatively heavy highpowered motor, the lower structure is adapted to pivot and disconnectfrom the engine as clearly shown in Figure 3, and during .this pivotalmovement the shaft 20 rotates, however it'will be noted that therotation is a ioo slight one,but said rotation would, incident of thelower structure, the engine shaft 7 and the clutch element 9 aredisengaged, therefore it will be seen that the propeller worm 37 belowone of the shaft sections 20,

' and which worm meshes with a worm gear tion to the clutch 39 by meansof an expansion spring 42, which is interposed between the clutchelement 40 and the nut 42, car ried by the outer end of the shaft 20,therefore it will be seen that the worm gear 38 is normally in clutchedrelation through the clutch element 40 with the shaft 20, and theoperator, when he desires to pivotally move the lower structure of thedevice for cleaningor repair purposes or for returning the lowerstructure to normally clutched relation, will only have to grasp thecrank 43 and rotate the same, consequently the worm 37 will rotate, orpartially rotate the worm gear 38, and as said worm gear'has a clutchedconnection with the shaft 20,'the pivoted casing 19 will be pivotallymoved as it is locked to the pivoted shaft sections 20 by means of thebolts 12, and the lower motor structure will be swung upwardly ordownwardly according to the direction of rotation of the crank 43. Thislower motor structure is yieldingly held in driving position by the 3clutch elements 34, 40. 42 and 42a, and its yielding resistance totilting may be varied by adjusting the tension of the spring 42a. Whenthe pivoted ortion of the motor engages the bottom 0 a stream or anobstruction, the rearward forces on the lower end of the motor willpivotally move said lower portion, and the shaft sect-ions 20, and asthe worm 37 is in engagement with the worm gear 38, it is obvious thatthe clutch element 40, incident to the bevelled engagement with theclutch element 39 will ride out bf the clutch element 39 against theaction of the spring 42, thereby allowing free rearward pivotal movementof the lower motor structure. Up-

' on downward pivotal movement of the lowthrough the medium of a leafswitch 45, which has a tendency to spring downwardly for breakingthecontact at 46. Slidably mounted in a bearing sleeve 47 below the s ringswitch is a shaft 48, which is prefera ly provided with a head49 havinga tip 50 on its upper end formed of insulation, and which tip engagesthe under side of the leaf switch 47. The lower end of the shaft 48extends below the lower end of the sleeve 47, and is in the path of thestop pin 51 carried by the pivoted casing 19, therefore it will be seenthat immed ately upon the starting of the downward and rearward pivotedmovement of the lower motor structure the stop pin 51 will movedownwardly, thereby allowing downward movement of the shaft 48 under theinfluence of the leaf spring 45, thereby breaking the ignition circuitat 46, consequently stopping the motor or engine 5 and preventing racingthereof until the lower pivoted motor. structure is again moved upwardlyto operative-positiom'and at which time the pin 51 will engage the shaft48 and force the leaf spring switch 45 upwardly, thereby againclosingthe igni' tion circuit at .46.'"It will be noted that by stopping theengine, thedeclutching operation is rendered easy, and when the motoragain swings to operative position the shaft 7 will be stopped, and theparts will easily interengage without stripping the teeth in the clutchelement 9, and on the shaft 7.

- The engine cooling system is preferably of the type whereby water isforced by the-propeller blades through an intake port 52, which forcesor conducts water to a water collecting chamber 53, from which the waterpasses through a port 54' to the flexible pipe 55, the upper end ofwhich is connected at 56 within a port 57,'which extends through theengine base 5, and from which port 57, the water passes over a pipe58'to the engine 5. The discharge of waterfrom the engine jacket may bein any suitable manner for instance through the pipe 59, howe erapplicant does not limit himself to any particular engine coolingsystem. From the above it will be seen that a. marine engine isprovided, of the internal combustion type, wherein upon hitting of anobstruction or the bottom of a stream by the lower end of the structure,the pivoted lower structure will be pivoted rearwardly, therebypreventing damage to the device, and at the same time the engine isautomatically stopped and the helmsman is automa icall-y signalledthrough the partial rotation of thesprocket wheel 29 that there has beena dis connection, and the lower propeller structure has engaged thebottom of the stream or an obstruction, thereby immediatelv warning himso that he can take the proper steps under the circumstances. It willalso be seen that immediately upon the movement of the pivoted lowerstructure to clutched relation with the engine, the ignition system willbe automatically closed for allowing operation of the device forpropelling the boat. It will also be seen that by pivoting the lowerstructure, heavy duty motors may be provided, which would be too heavywhen constructed as ordinary pivoted out-board motors, butall of theadvantages of a pivoted out-board motor are obtained.

The invention having been set forth is claimed as new and useful is 1. Amarine engine comprising a motor, a base carried by said motor, a hingedsection carried by said base, a propeller drive shaft in said hingedsection, a propeller carried by said hinged section and driven by saiddrive shaft. a clutch connection between the motor and the drive shaft,the propeller carrying portion of the hinged section being pivotallymounted, a steering segment carried by said propeller carrying portion,a worm meshing with said segment and means for rotating said worm.

2. The combination with a marine motor comprising a stationary portionand a hinged propeller carrying portion having driving connectionstherebetween, an ignition circuit for said motor, said ignition circuitbeing controlled by the hinged section whereby upon movement thereof todisconnected position, said ignition circuit will be broken and meanswhereby upon movement of the hinged What section to connected positionsaid ignition eir-' cuit will be closed.

3. The combination with a marine engine comprising a stationary motor, ahinged propeller carrying section beneath said motor, interengagingclutch members carried by the 40 motor and the hinged section andforming propeller driving connections therebetween, an ignitioncircuifi'saidfignition circuit being controlled by the hinged section,whereby upon disconnection thereof with the motor said ignition circuitwill be broken and upon driving connections between the hinged sectionand the motor said ignition circuit will be closed.

4. The combination with a marine engine comprising a stationary motor, ahinged pro-- peller carrying section driving connections between saidsections, of a pivot shaft for said hinged section, said pivot shaftbeing rotatable with said hinged section, a worm gear carried by saidshaft and rotatable thereon, a clutch element carried by said worm, aclutch element slidably mounted on the shaft, spring means for normallyforcing said clutch elements together, a worm meshing with said 50 wormgear and means for rotating said worm. 5. The combination with a marineengine comprising a stationary motor section, a hinged propellercarrying section, detachable driving connections between said sectionsfor the propeller, of a pivoted shaft carried by said hinged section androtatable in bearings, a worm gear carried by said shaft and rotatablethereon, clutch connections between the Worm gear and the shaft and anoperating worm engaging said worm gear and forming means for partiallyrotating the shaft through the medium of the worm gearand its clutchconnections with the shaft.

6. The combination with a marine motor comprising a stationary motorsection and a hinged propeller carrying section, said ropeller sectionhaving a pivot shaft, said s aft being rotatably mounted in bearings,manual means for rotating said shaft for pivotally moving the hingedsection and clutch connections between the manual means and the shaftwhereby the hinged section can hingedly move independent of the manualmeans.

7. The combination with a marine engine comprising a stationary motorand a hinged section, said hinged section having a shaft rotatablymounted in bearings, manual means for rotating said shaft and clutchconnections between the manual means and the shaft whereby said hingedsection may hingedly move independent of the manual means.

Y 8. The combination with a marine engine comprising a. stationary motorand a hinged propeller carrying section, said hinged secr tion having ashaft rotatably mounted in bearings, manual means for rotating saidshaft, clutch connections between the manual means and the shaft,whereby said hinged section may move independent of the manual means, asteering sector within the hinged section, a worm meshing with saidsector, a shaft rotatably mounted in the first mentioned shaft andcarried by the worm, and

steering connections to said worm carried shaft.

9. The combination'with a marine motor comprising a stationary motor, abin ed propeller carryin section between sai motor, a ortion of t epropeller carrying section belng pivotally mounted for steerm purposes,a steering se ent carried by t e pivoted portion of the 'nged section, asteering worm meshin with said segment, said worm being carried y ashaft on the hinging point of the hinged section and a steeringconnection carried bysaid shaft.

10. The combination with an outboard marine engine comprising astationary motor and a hinged propeller carrying section between saidmotor and having sli clutch connections therewith, the propel ercarrying portion of the hinged section being pivotally mounted, a shaftcarried by said hinged section and rotatable in bearings, said shaftbeing formed in sections having adjacent ends, a worm between theadjacent ends of said shaft sections, a shaft carried b said worm androtatably mounted within t e shaft sections, steering connectionscarried by said worm carrying shaft and a gear segment carried by thepivoted portion of the hinged section and meshing with the worm.

11. The combination with a boat, a marine engine, a steering mechanism,said marine engine having'a hinged propeller carrying portion, of meanswhereby upon hinged movement of the propeller carrying portion saidmovement will be indicated through the steering mechanism.

12. A marine motor adapted to be mounted on a water craft and having asubstantially vertically depending drive shaft a propeller shaft driventherefrom at its lower end, a propeller on said propeller shaft andpivotal means rmitting the swinging of a portion of sald verticallydisposed drive,

shaft in avertical plane for raising and lowering the propeller to avoidheavy obstructions and the like located in the water.

13. In combination with a water vehicle, a marine motor mounted thereonand having a substantially vertically dependingl drive shaft, a gearcasing havin a portion epending below the bottom 0 the water vehicle,

sald gear casin carrying a part of the vertical drive sha and alsocarrying a propeller shaft a propeller and geared connections from saidpropeller shaft to the vertically depending drive shaft of the motor,and pivotal means for swingly mounting said gear casing, o

casing so as to permit it to move in a substantially vertical planeupwardly to raise the propeller and gear casing substantially above theplane of the bottom of the motor vehicle.

14. A marine motor provided with an ex tended drive shaft, a casingsurrounding said drive shaft and adapted to depend into the water, saidcasing carrying a portion of the vertical drive shaft and carrying anangularly disposed propeller shaft geared to the drive shaft, apropeller mounted on said and means forming a hinged connection r thelower portion of the casing to permit it to swing relatively to themotor.

15. A marine motor having a vertically dis osed drive shaft rovide .witha propeller connected to its ower end, and pivotal means permitting theswinging of the lower portion of said vertically depending driveshaft'and said propeller relatively to the upper portion of said shaft.

16. The combination with a water vehicle, a marine motor mounted thereonand having a substantially vertically depending drive shaft providedwith a bevel gear at its lower end, a propeller shaft rigidly -mountedin fixed relation at substantially right an les to said drive shaft andhaving another evel gear meshing with said first mentioned bevel gear, apropeller on said propeller shaft, and means for permitting saidpropeller shaft and propeller and a portion of said vertically disposeddrive shaft to swing upwardly through the water relatively to anotherportion of said verticall disposed drive shaft whereby to permit saipropeller having a vertically dependin drive shaft,

a gear casing mounted in sai recess of the boat and carrying anextension drive shaft clutch connections on said drive shaft, apropeller shaft mounted in said casing and geared to the lower portionof the extension shaft, a propeller on said propeller shaft, said casingand said propeller extending below the bottom portion of the boat at therecess, and means forming a hinged connection for said casing whereby topermit said casing and the propeller to swing upwardly in said recesssubstantially above the bottom thereof and relatively to the motor so asto permit the propeller and the casing to avoidobstructions in thewater. 18. A water vehicle provided with a recessed stern, a marinemotor mounted on the stern of the vehicle and havinga verticallyextending shaft projecting into said recess, a casing carrying anextension shaft normally in line with said engine shaft, clutchconnections between the adjacent ends of two such shafts for driving theextension shaft, a propeller mounted on said support and driven by saidextension shaft, and means permitting the raising and lowering of saidcasing and propeller in the recess of said vehicle and relatively to themotor whereby to lift said propeller and said casing within the bottomplane of the boat whereby to permit said propeller and its mounting toavoid obstructions in the water.

19. A device of the class described oomprising in combination, a marinemotor having a drive shaft, formed with a clutch con-y nection, anextension shaft carr ing a cooperating clutch connection, a evel ear onthe lower end of said extension sha t, a pro ller shaft having a secondbevel gear mes ing with said first mentioned bevel gear.

and being rigidly mounted with respect to said extension shaft and atright angles thereto, a propeller on-said propeller shaft and meansforming a pivotal mountin for said extension shaft relative to said riveshaft wherebyto permit said extension shaft and propeller to swingrelative to said drive shaft and to rmit their disengagement.

20. A marine vmotorhaving a vertically depending drive shaft formed ofrelatively movable sections normally in a common line of drivingengagement, a propeller operatively connected to the lower-most sectionand means permitting the automatic disengagement of said sections andthe upward movement of the lower section whereby to swing the propellerdriven thereby in an upward direction and relative to the motor itlowerpro eller carrying propeller driven thereby an self. a

21. In combination with a water vehicle, a marine engine, a propellerand steering .mechanism therefor, said marineengine having a propellercarrying portion shiftable relatively thereto and devices associatedwith said engine and steering mechanism whereby said steering mechanismis actuated to indicate the shifting of the propeller carrying portion.

22. The combination with a water vehicle,

a marine engine therefor, said marine engine having a separable verticalshaft with ortion and a portion tiltable relatively thereto about atransverse pivot, and devices associated with said propeller carryingportion and having a connection through the pivot for indicating whenthe carrying portion is tilted" 23. The" combination with a' marine mo-'tor, a propeller carrying section driven thereby andshiftable'relatively to said motor, drive connections between said motorand propeller carrying section, and means for rendering the motor shaftand the propeller shaft inoperative upon movement of the propellercarrying section relative to the .e marine motor.

a pivotal mounting 24. The combination with a marine motor including adrive shaft, a propeller car: rying section having a driven shaft andadapted to be shifted relative to said motor .5 drive shaft, drivingconnections between said shafts adapted to be clutched and unclutched,and means operable on the relative movement of said shafts for stoppingthe rotation'of said motor drive shaft.

25. Apropulsiondeviceforwatercrafthaving a motor including a stationaryde ending drive shaft terminating in a clutc an extension shaft normallyaligned with said drive shaft and havin an associated clutch, or saiddriven shaft whereby said drivenshaft may swing in a vertical lane withrespect to said drive shaft, said extension having a lower bevel gear, apropeler shaft disposed at a fixed angle to,. the extension shaft andhaving a second, bevel gear meshing with the bevel gear on saidextension shaft, and a propeller carried by said propeller shaft.

26. In a device of the class described, the

':-' combination of a marine motor and having a depending drive shafttermmatmg in a clutch, a support pivotally mounted relathe carrying 27.In a device of the class described, the combination of a support, amarine motor mounted thereon and having a depending drive shaftterminating in a clutch, a second support pivotally mounted on saidfirst support on a horizontal axis disposed substantially adjacent theclutch end of the drive shaft, said second support including a tubularcasing, a driven shaft rotatably mounted in said tubular basin andcarrying a propeller oh its lower en said driven shaft having acooperative clutch on its upper end, said tubular casing including apacked bearingfor said driven shaft and the upper portion of saidtubular casing, and the lower portion of said first support havingcooperating surfaces forming a.sub stantial seal for said packed bearingin said tubular casing.

28. In a device of the class described, the combination of a support, amarine motor mounted thereon and having a depending shaft terminating ina clutch, said su port carrying aligned and spaced a art sha t sections,a tubular casing pivotal y mounted on said shaft sections, a drivenshaft having bearings in said tubular casing, said driven shaft having acooperative clutch on its up-- per end and a propeller on its lower end.

29. In a device of the class described, the

combination of a support, a marine motor mounted thereon and having adepending shaft terminating in a clutch, saidsupport carrying alignedand spaced apart shaft sections, a shaft mounted in said sections, atubular casing pivotally mounted on said shaft sections, a driven ,hafthaving hearings in said tubular casing, said driven shaft having acooperative clutch driven from its upper end and a pro eller on itslower end, a gear element on said tubular casing and a gear on the shaftmounted in said aligned shaft sections, said latter gear meshing withthe gear on the tubular casing, and operative connection from said shaftto the steering mechanism.

30. In a device of the class described, the combination of a support, amarine motor mounted thereon and having a depending shaft terminating ina clutch, said su port carrying aligned and spaced apart sha sections, ashaft mounted in said sections, a tubular casing pivotally mounted onsaid shaft sections, a driven shaft having bearings in said tubularcasing, said driven shaft having a cooperative clutch on its upper endand having a propeller operatively connected to its lower end, a gearelement on said tubular casing and a gear on the shaft mounted in saidaligned shaft sections, said latter gearmeshing with the gear on thetubular casing,

and manual operable means for rotating said.

shaft for shifting the tubular casing about the aligned shaft sections.

31. In combination with a marine vehicle,

normall a support thereon, a motor mounted on said support and having adepending driving shaft formed with a clutch, a second support shiftablymounted on said first support, said second support being formed as atubular casing adapted to be normally in alignment with said drivinshaft and having a pivotal axis extending orizontally on said firstsupport adjacent the clutch of said driving shaft, the walls of thetubular casing being formed at its upper portions to provide a hollowchamber, a second shaft having hearings in said tubular casing, a gearelement mounted on the upper end of said tubular casing and housed inthe walls forming said hollow chamber, a clutch on the upper end of saidsecond shaft adapted to mesh with the clutch operatively connected tothe driving shaft, a propeller on the lower end of the second shaft, aworm on the horizontal axis of said first support, said worm meshingwith the gear element on said tubular casing, said chamber in which saidgear element is mounted being constructed and arranged to contain aquantity of oil.

32. ;ln combination with a marine vehicle, a support thereon, a motormounted thereon and provided with a depending driven shaft terminatingin a clutch, a cross shaft on said support, a gear on said cross shaft,steering mechanism on said vehicle operatively connected with said crossshaft, a second shaft in alignment with the depending motor s aft, asupport for the second shaft, a propeller shaft on said support andoperatively driven from the second shaft, and a propeller on saidpropeller shaft, a gear element on said second shaft support meshingwith said gear on the cross shaft,said support being pivotally mountedon said cross shaft, whereby said second shaft may be moved angularly bythe operation of said steering mechanism and whereby said second shaftmay swing bodily with respect to said power shaft.

33. In a marine motor, the combination of a prime mover having a drivingshaft, a normally aligned second shaft, a propeller shaft, a clutchdriving connection between said shafts, a propeller mounted on saidpropeller shaft, a support for said second and propeller shafts, afourth shaft forming a'pivotal bearing for said driving and secondsupport, a geared connection between said fourth shaft and saidpropeller shaft support, means for rotating said fourth shaft forangularly turning the propeller shaft support and means for shiftingsaid propeller shaft support pivotally about said shaft.

34. In a device of the class described, the combination of a marinemotor having a lower support formed as a plate like elementhaving anannular rib, said motor having 9. depending shaft projectingtherethrough and provided with a clutch part, a second support carryingan extension of said shaft formed with a cooperative clutch part, saidsecond support being 'shiftably mounted with I respect to said firstsupport, bearings for said shaft in said second support, said secondsupport embodying a sleeve formed with an annular groove adapted toreceive the annular rib of the plate of the first support, said packinggroove and ribs concentrically surrounding the axis of said shaftwhereby to provide a water tight joint when said supports are in closedposition.

35. In a device of the class described the combination of an uppersupport, a marine motor mounted thereon, and provided witha drive shaftdepending through the lower portion of said upper support, a secondsupport pivoted to said first support ard hav ing its upper portionforming a lubricant containing reservoir, said second support beingtubular in formation, a driven shaft in said tubular portion andprojecting to the top of said second support, said drive and drivenshafts having connectable clutch portions, gearing in said lubricantchamber for rotating said tubular support on its axis, the adjacentfaces of said upper and lower supports being provided with sealing meansdisposed concentrically about said shaft for forming a water tightconnection between said supports when closed and sealing the lubricantcontaining chamber.

36. In combination with a marine vehicle, a prime mover mounted thereonhaving a depending shaftcarrying a propeller, means on said shaft forpermitting the propeller carrying portion to shift automaticallyrearwardly when said propeller strikes an obstruct-ion, means operatedby the shifting movement of said propeller for altering the condition ofone of the engine controls, and vmeans for returning the propellercarrying portion of the shaft to normal position when desired.

37. In combination with a marine vehicle, a prime mover. mounted thereonhaving a vertically depending shaft the lower of which is connected to apropeller, said shaft having means associated therewith permitting thelower portion of the shaft automatically to shift rearwardly when struckby an obstruction and to be disconnected from the engine, and manualmeans for reconnecting it to the engine.

38. In combination with a marine motor having a depending driving shaftformed with a clutch, a second shaft normally in alignment therewith andhaving an associated clutch, a supportfor said second shaft, bearingelements on which said second shaft support is pivotally mounted, a gearon said bearing elements, a third shaft having a gear meshing with thegear on said bearing elements, said gear on said bearing elements havinga releasing clutch connecting it to said bearing elements and apropeller shaft operatively connected to said second shaft. pellerstrikes an obstruction, and means for 39. In combination with a marinemotor automatically cutting out the ignition circuit having a dependingshaft, a second shaft, when said propeller shifts for preventing themeans extending transversely to the motor engine from racing, manualoperable means Lea-131a shaft formin a pivotal bearing and includforreturning said propeller to normal driv ing a cross 5 aft, a support forthe second ing position, and automatic means for reshaft pivotallymounted on said cross shaft storing the engine circuit:

a propeller on said support and operatively\ 45. In combination with amarine vehicle, connected to said second shaft, the lower porgas enginethereon having a water circution of'said motor shaft having a clutch andlating system and including a driving shaft, the upper portion of saidsecond shaft having a propeller carrying shaft mounted on said anassociated clutch, whereby when said provehicle so as to shift bodilywith res ect to peller strikes an obstruction said second shaft saiddriving shaft when struck by an o strucsupport will automatically shiftabout said tion, and means operated by said propeller cross shaft, athird shaft having a geared for forcing water throu h the circulating--coniiection with said cross shaft for manuall system of the engine, saidmeans being conturning the same to restore said second sha t structedand arranged to permit the shlfting support, said geared connectionbeing conof said propeller shaft without interfering structecl' andarrangedto yield during the with the circulation of the water. automaticshifting of said second shaft support. a gas engine mounted thereonhavin a water 40. A marine motor havin a depend-in circulatingsystem'and a drive sha t, a prodrive shaft, a propeller, devicesassociate peller carrying shaft mounted to have bodily with said motorand propeller for permitshifting movement with respect to said en- 46.In combination with a marine vehicle,

tin said propeller automatically to swing gine driving shaft, a flexibleconduit havingb0 ily relatively to said motor when said a mouth disposedadjacent the propeller propeller strikes an obstruction, and manwherebysaid propeller forces water through ually operable devices constructedand arsaid conduit, said flexible conduit connecting ranged forreturning said propeller to norwith the water circulating system of theenmal operative position. gme.

41. A marine motor having a depending 47. The combination with a motorhaving drive shaft, a propeller, devices associate a relativelyshiftable two-part driving shaft with said motor and propeller forpermit a propeller shaft fixed relatively to one of tin said propellerautomatically to swing said parts of the drivin shaft and carryingbofily relatively to said motor when said proa propeller, of a pivota lymounted support peller strikes an obstruction, and manually for saidpropeller shaft and one art 0 said operable devices constructed andarranged driving sha and means actua 1e through for returning saidropeller to normal operthe plvot of the support for bodily swingingative position, said manually operable dethe support 1n :1 verticalplane and for movvices including yieldingmeans for permiting the supportin a horizontal plane for ting the automatic shifting movement of saidSteering movement of the propeller. ll 48. The combination wlth a motorhaving 42. In combination with a marine vehicle, a relat1vely shiftabletwo-part (propeller a motor thereon, a propeller and devices asdr1v1ngshaft,of a pivotally mounte sup ort sociated with said propeller andmotor for for saldfpropeller and one part of said rivcausing thepropeller automatically to shift mg sha t, said support being free totilt bodily with respect tosaid motor when said upon strlkmg anobstruction, and means actpropeller strikes an obstruction, and auto- 1g hr ugh the pivot of the support for matlc devices operated by theshifting movereturmng the support to normal position. ment of saidpropeller for altering the operv Th mblnatl u with a motor having ationof the motor. v a relatively shiftable two-part driving shaft, 43. Thecombination with a marine vehicle, a propeller operatively connectedthereto, of a motor, a propeller and devices associated 8 plvotally mouned s pport'for said ropelwith the pro ller and-motor for automati- 161and one part ofsald drlvmg sha t, said call permitting the propeller toshift bodily supp rt elng free to tilt upon striking an wit respect tosaid motor when said propelc n, m ns a ing through thepivot ler strikesan obstruction, and means for of the upp r for returning the support toautomatically cutting out the ignition cirnormal position, andassociated means car cuit when said ropeller shifts for preventrled ymud plvot and pp operable for ing the engine rom'racing.

44. In combination with a marine vehicle, steering movement of thepropeller.

a motor, a propeller and devices associated 50. In a device of the classdescribed, the

with the propeller and motor for automaticombination with a marine motorhaving a moving the support in a horizontal plane for cally permittingthe propeller to shift bodily water jacket and provided with avertically with respect to said motor'when said prodepending driveshaft, a hollow casing carrying an extension shaft, there being clutchconnections between theadjacent ends of said two shafts, a propelleroperatively connected to the lower end of said extension shaft, meansfor pivotally mounting said hollow casing so as to permit the propellerto tilt relatively to the motor, and a water inlet passage on saidhollow casing disposed beneath the normal water level and having apassage upwardly through a portion of said casing, and means connectingthe upper portion of said passage with the water jacket of the engine,said connecting means permitting the free swinging movement of saidcasing durin tilting. I

51. n a device of the class described, the combination of a prime moverhaving a vertically depending shaft, a support carrying a normallyaligned extension shaft and carrying a propeller driven thereby, saidshafts having engageable clutch portions, a pivotal mounting for saidextension shaft support whereby to permit the same to swing .relativelyto the first mentioned shaft, and means for turning said su port andpropeller about the extenslon sha ts as an axis, said means includingdisengageable parts lying substantially in said pivotal axis.

52. In a device of the class described, the combination of a prime moverhaving a vertically depending drive shaft formed with a clutch member, anormally aligned extension drive shaft formed with an associated clutchmember and a support for said extension shaft, a propeller carried bsaid support and driven by said extension s aft, substantiallyhorizontally disposed means forming a pivotal axis for permitting thepropeller carrying support and extension shaft to swing in a verticalplane to en age and disengage said clutches, and means or turning saidextension shaft and propeller about the extension shaft as an axis, saidmeans including a gear arrangement on said horizontally disposed means,another gear element on said support, said gear means being engageabledurin the pivotal movement of said support.

53. n a device of the class described, the combination of a prime moverhaving a drive shaft, and and an extension shaft normally in alignmenttherewith, a support carrying said extension shaft and carrying a proeller driven by said shaft, means for shi tably mounting said supportwhereby to permit said propeller to shift relatively to said primemover, means for turning said support and propeller about the extensionshaft as an axis for steering, and means constructed and arranged fordisengaging said extension shaft from said drive shaft when saidextension shaft and support and propeller are shifted relatively to saidprime mover.

54. A prime mover having a vertically depending drive shaft, a supportfor a portion of said drive shaft, a propeller shaft carried by saidsupport and driven from said drive shaft propeller on said propellershaft,

-means for shiftin said propeller and supwhen said propeller and supportare shifted.

55. A propulsion device adapted to be mounted on water vehiclescomprising a water jacketed motor having a substantially" verticallydepending drive shaft, an extension shaft therefor normally in line withsaiddrive shaft, and normally coupled. to said drive shaft, a lower unitassociated with said extension shaft and carrying a propeller shaftgeared to the lower end of the extension shaft, and a propeller mountedon said propeller shaft, said lower unit comprising an enclosing casingand means permitting the upward tilting of said lower casing withrespect to the engine drive shaft to avoid obstructions, said lowercasing having a water inlet disposed below normal water level, saidwater inlet communicating with a water passage formed in the lowercasing and connected with the water jacket of the engine, said waterconnection being constructed and ar-.

ranged to permit the upward tilting movement of said lower unit.

56.-A propulsion device for water craft comprising in combination, awater jacketed motor adapted to be mounted on said water craft andhaving a substantially vertically depending drive shaft, a supportsurroundin said drive shaft, an extension shaft mounted in said support,means normally coupling said. extension shaft to said drive shaft, saidsupport terminating in a propeller carrying casing enclosing theextension shaft, a propeller shaft geared to the extension shaft andenclosed in said casing, a propeller on said shaft, means for turningthe propeller carrying casing about the motor shaft as an axis forsteering, and means permitting the upward tilting of said propellercarrying casing relative to said motor to avoid obstructions, saidpropeller carrying casingvhaving a water inlet disposed below normalwater level and connecting with an internal passage in said propellercasing, said: internal passage in turn connecting withthe water jacketof the engine, said connections being constructed andarranged to permitthe turning of said propeller carrying c for steering and the upwardswinging of propeller carrying casing '*for the tilting ;12

movement.

57. In combination with a water vehicle provided with a recess in itsstern, said recess being open at its bottom and being open at its rear,of a gas engine stationarily mounted on said craft, said motor having adrive shaft 7 v eo depending downwardly into said recess, a supportswingably connected to said motor and depending downwardly in saidrecess, said support including a propeller carrying lower unitprojecting normally below the bottom of the craft adjacent said recess,said support carrying an extension shaft aligned with the motor shaft,said motor shaft and aligned shaft having disengagable clutch portions,means for turning said propeller carrying /casi ng about the drive shaftas an axis for steering and means permitting the tilting of saidpropeller carrying casing from a position normally pro ect1ng downwardlythrough the open bottom of said recess to a osition wherein saidpropeller carrying casmg swings u pwardly in a vertical plane throughthe rearward opening of said recess whereby to permit thepropeller and-the casing to avoid obstructions. 58. A marine motor havin la verticaldrive shaft formed of u per an lower sections, means formiiig aisengageable' clutch,con-

- nection between said sections, and a hinged connection between the uper and lower drive ith water li j k t a propeller shaft sections wherebysai lower section may swing upwardly. I

59. A marine engine com ary motor, a hinged prope her car ing section, avertical propeller dllVlllg s aft carried by said section, and a clutchconnection rising a stationpeller and a'vertical drivingshaft thereforcarried by the support, and a clutch element at the upper end ofthedriving shaft to engage the engine drive shaft clutch element whenthe driving shaft is in vertical position.

64. The combination with a boat, of an engine mounted therein,apropeller and a normally vertical depending drive shaft therefor, meansfor mounting the propeller and shaft to tilt rearwardly when engaged byan obstruction and to disconnect the shaft from the engine, and manualmeans for reconnecting it to the engine.

65. A marine motor havin a relatively shiftable two part driving sha t,a propeller operatively connected thereto, a pivotally mounted supportfor the propeller and one" part of the drivingshaft, said support beingfree to tilt upon striking an obstruction, and means acting through thepivot of the supportoperable'to move the support for steer- 'ing.

66. 1A marine motor comprising an engine ing casing pivote to tiltrearwardly with respect to the engine, means forming a separa-- bledriving shaft connection between -the parts, and for the propellerawater inlet passage in the casing to receive cooling water when thepropeller is drivenby the engine,

between the motor and said shaft to allow the d means i d d t f th i t lshaft to tilt upwardly with respect to the.

motor. V

60. The combination with a boat and a stationary engine mounted in thestern of a proller drive therefor including a vertical shaft, a clutchconnection between theehg ne and shaft, and means forming a pivotingnection for connecting the inlet passage with the water jacket. 7

67. A marine motor having a substantially vertically dependin driveshaft, a casing housing a ortion 0 said drive shaft, a promounting forthe propeller drive and Shaf shaft, a-propeller on the end of saidpropeller ct to the for tilting them upwardly with res ttorn ofconnected the latter section, and means to permit the zmtqunaticdisengagement of the 7 sections and the ward tilting movement of thelatter section faadgiz to themotor itself. 62. The combination ith aboat, of a stationary engine therefore having a shaft portion with aclutch at the end,a a connected vertical propeller having a clutch toengage the engine shaft clutch, and a pivotal mountingfor the propellerdrivingshaft whereby said shaft may swing in a vertical plane withrespect to the engine shaft; 1 7. "l

63. The combination with a boat, of a marine motor having an engine'with.a stationary mounting in the boat and a drive shaft section terminatingin a clutch element, a sup port pivotally mounted to swing relatively toIIVlllg shaft shaft, andpivotal means permitting said casing to swingbodily with respect to the motor. 68. A marine motor having a powerhead,

a propeller unit therefor having a hinged connection adapting it totilt, means for mana hinged propeller unit'hinged thereto, a sepa- 1rable driving connection between the head and the unit, and means forenclosing the gropeller and upper end of the propeller unit against theeiltrance of water. r p I 70.. A marine motor having a combinationengine power head, a propeller unit hinged thereto, and an ignitioncircuit for the engine having a switch controlled by the hinged movementof the propeller unit.

71. A marine motor having a water cooled engine, a propeller unittherefor having a hinged and rotatable driving connection with theengine, and water circulating means for the engine from the unitindependent of said 65 said shaft section on a hofi'zontal axis, aproconnection.

means for conveying cooling water betweenthe propeller unit and theengine.

73. A marine motor having a power head, a propeller unit hinged thereto,cooperating driving arts in the head and unit, and a packing ointbetween the adjacent faces of the head and unit.

74; A marine motor comprising relatively stationary and movable partsjoined by a hinged connection, means for adjusting the parts in anyrelative hinged, position, and a clutch mechanism to release said meansupon impact.

75. A vertically depending drive shaft, a hollow casing surrounding saiddrive shaft and turnable relatively thereto, a propeller shaft mountedin said casing and maintained in rigidrelation to the lower portion ofsaid a drixeshaft, driving means between said drive shaft and propellershaft, a propeller on said propeller shaft, and pivotal means forrmitting said drive shaft to swing relativel to the motor in averticalplane substantially arallel to the longitudinal axis of a vessel inwhich the motor is mounted, and means for turning said casing about thevertically disposed drive shafts as an axis.

76. The combination with a boat, of a marine motor having a fixedmounting therein and a vertical propeller drive shaft at the stern, andmeans for mounting the shaft to tilt upwardly with respect to the motorin a vertical plane disposed substantially in a fore and aft line of theboat.

7 7. A marine motor having a substantially vertically depending driveshaft, a vertically extending housing enclosing a portion of said, driveshaft and turnable axially about the drive shaft for steering, apropeller shaft mounted within the lower portion of said casing, andgeared to said drive shaft, a pro peller on the end of said propellershaft, and pivotal means permitting said casing to swing with respect tothe motor bodily upwardly in a plane substantially fore and aft withrespect to a boat in which the motor is mounted.

- 78. A'marine motor having a drive shaft, a vertical extension shaftand a clutch connection therebetween; a" propeller operated 79. Thecombination with a boat, of a stationary marine engine, a verticallydisposed driving shaft, a propeller shaft and a propeller connectedthereto, a separable clutch connection between the engine and saiddriving shaft, and means forming a pivotal marine motor having asubstantially stantially parallel to a fore an mounting for said drivingshaft and said propeller shaft to tilt them upwardly and rearwardly in aplane substantially parallel to the longitudinal axis of the boat toswing the propeller free from obstructions at the bottom of the boat.

80. A marine motor having a ower head, a vertical propeller unit havinga hinged connection therewith, and a clutchmechanism' in the hingedconnection adapting the propeller unit to swing rearwardly in a verticalfore and aft plane.

81. The combination with a boatanda marine motor having a stationarypower head mounted in the boat, and a vertically disposed propeller unithinged to the head and tiltable upwardly and rearwardly about its upperend.

82. The combination with a boat and a marine motor having a stationarypower head mounted in the boat, and a vertically disposed propeller unithinged to the power head to swing in a fore and aft plane and having aportion rotatable for steering.

83. The combination with a boat and a marine motor having a stationaryower head mounted in the boat, and a vertica ly dis osed propeller unithaving a connection wit the power head for tilting in a vertical lanesubaft line of the boat and rotatable for steering.

84. A marine motor havin a drive shaft, a vertical extension shaft an aclutch connection therebetween; a propeller operated by the extensionshaft; means formin a pivotal mounting for said extension shaft topermit the extension shaft and the ropeller to swin relative to thedrive sha t and to permit disengagement of the clutch connec-- tion; andmeans for yieldingly holding the said clutch normally in drivingrelation.

85. The combination with a boat and a marine motor having a stationarypower head mounted in the boat, a vertically disposed propeller unithinged to the head and tiltable upwardly and rearwardly about its up perend, and means for providing yielding resistance to the tilting movementof the unit.

7 86. The combination with a boat and a marine motor having a stationarypower head niounted in the boat, a vertically disposed propeller unithinged to the power head to swing in a fore and aft plane and having aportion rotatable for steering, and geared means in connection with saidrotatable portion for operating it in steering.

In testimony whereof I afiix my signature.

HARRY L. JOHNSON.

